Finding the Fourth Proportional to 691,937.55, 954,942.35 and 419,984.10
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Solution
The fourth proportional to 691,937.55, 954,942.35 and 419,984.10 is: 579,619.65
Step by Step Solution
- Step 1: Write the proportion equation
691,937.55 : 954,942.35 = 419,984.10 : x - Step 2: Convert to fraction form
691,937.55/954,942.35 = 419,984.10/x - Step 3: Cross multiply
691,937.55x = 954,942.35 × 419,984.10 - Step 4: Simplify right side
691,937.55x = 401,060,603,416.64 - Step 5: Solve for x
x = 401,060,603,416.64/691,937.55 - Step 6: Final answer
x = 579,619.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.